a1463 发表于 2021-1-1 16:33

一款Delphi安装程序的安装码

本帖最后由 a1463 于 2021-1-1 16:43 编辑

、一个安装程序的安装码


OD附加:


找到跳转: 0046F69F   /0F87 B6000000    ja AIsn.0046F75B改 0046F69F   /E9 B7000000      jmp AIsn.0046F75B
0046F6A4   |90               nop
改之前:

改完后:


修改好后下一步:


安装就出现这个:



安装不起来怎么办!
C:\Users\Administrator\AppData\Local\Temp\is-LKUBP.tmp\AIsn.tmp
软件地址:https://wwa.lanzouw.com/ifuYGjx8qlc
大佬们看看

123456 发表于 2021-1-1 16:34

直接看汇编啊 兄弟   自己反向去推密码啊 安装密码:26868698

a1463 发表于 2021-1-1 16:56

0046F69F   /E9 B7000000      jmp AIsn.0046F75B                        ; 跳转
0046F06B    E8 50400100      call AIsn.004830C0                     ; 密码错误call
0048311F    E8 E8C6FAFF      call AIsn.0042F80C                     ; 错误信息框

这是之前分析的 因为不是很懂Delphi


轩词 发表于 2021-1-1 20:08

很简单的 只需要返回的时候给他为1就行了

轩词 发表于 2021-1-1 20:09

本帖最后由 轩词 于 2021-1-1 20:10 编辑

关键 CALL 0047D34E    E8 B943FBFF   call    0043170C

这个 输入错误是返回0 输入争取返回1

a1463 发表于 2021-1-1 20:55

本帖最后由 a1463 于 2021-1-1 20:56 编辑

轩词 发表于 2021-1-1 20:09
关键 CALL 0047D34E    E8 B943FBFF   call    0043170C

这个 输入错误是返回0 输入争取返回1
这样吗不行呀不是很懂。。

a1463 发表于 2021-1-2 12:45

123456 发表于 2021-1-1 21:56
直接看汇编啊 兄弟   自己反向去推密码啊 安装密码:26868698

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VipDongle 发表于 2021-1-2 16:51

123456 发表于 2021-1-1 16:34
直接看汇编啊 兄弟   自己反向去推密码啊 安装密码:26868698

具体怎么反推呢,能给个思路么
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